add json config

Author: miaolei7456

.github/ALL_BSP_COMPILE.json

@@ -254,6 +254,7 @@
         "renesas/ra6m3-hmi-board",
         "renesas/ra6e2-fpb",
         "renesas/ra4e2-eco",
+        "renesas/ra4e2-ek",
         "renesas/ra4m2-eco",
         "renesas/ra2l1-cpk",
         "renesas/ra8m1-ek",